tda1004x.h 1.7 KB

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  1. /*
  2. Driver for Philips tda1004xh OFDM Frontend
  3. (c) 2004 Andrew de Quincey
  4. This program is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15. */
  16. #ifndef TDA1004X_H
  17. #define TDA1004X_H
  18. #include <linux/dvb/frontend.h>
  19. #include <linux/firmware.h>
  20. struct tda1004x_config
  21. {
  22. /* the demodulator's i2c address */
  23. u8 demod_address;
  24. /* does the "inversion" need inverted? */
  25. u8 invert;
  26. /* Does the OCLK signal need inverted? */
  27. u8 invert_oclk;
  28. /* value of N_I2C of the CONF_PLL3 register */
  29. u8 n_i2c;
  30. /* PLL maintenance */
  31. int (*pll_init)(struct dvb_frontend* fe);
  32. int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
  33. /* request firmware for device */
  34. int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  35. };
  36. extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
  37. struct i2c_adapter* i2c);
  38. extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
  39. struct i2c_adapter* i2c);
  40. extern int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data);
  41. #endif // TDA1004X_H